Movement of the sample during the rotation with a fixed focus position.
<p>(a): The sample is in focus. The focus length is set to the sample diameter. The image shows the sample on the farthest left position. (b): After a 90-degree rotation, the sample has moved the furthest from the initial focus point and is in the center of the image. The sample appears blurry...
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2025
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| Summary: | <p>(a): The sample is in focus. The focus length is set to the sample diameter. The image shows the sample on the farthest left position. (b): After a 90-degree rotation, the sample has moved the furthest from the initial focus point and is in the center of the image. The sample appears blurry because it is no longer in focus. (c): After a total of 180-degree rotation, the sample is in focus again and is now on the opposite side of the rotation axis from the initial position in (a). (d): The principle of the movement of the sample and the focus position of the laser is shown in the schematic drawing.</p> |
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